Finding the Fourth Proportional to 8,085.51, 12,115.81 and 5,447.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,085.51 : 12,115.81 = 5,447.34 : x
2. Step 2: Convert to fraction form
   8,085.51/12,115.81 = 5,447.34/x
3. Step 3: Cross multiply
   8,085.51x = 12,115.81 × 5,447.34
4. Step 4: Simplify right side
   8,085.51x = 65,998,936.45
5. Step 5: Solve for x
   x = 65,998,936.45/8,085.51
6. Step 6: Final answer
   x = 8,162.62